<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input v-model="params.name" clearable placeholder="请输入内容" class="search-main" @clear="doSearch" />
      <el-button size="small" type="primary" style="border-radius: 5px;" @click="doSearch">查询</el-button>
    </div>
    <div class="create-container">
      <el-button size="medium" type="primary" style="border-radius: 5px;" @click="$router.push('/exterpriseAdd')">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="EnterpriseData" @expand-change="expandHandle">
        <!-- 新增：展开部分 -->
        <el-table-column type="expand">
          <template v-slot="{row}">
            <el-table :data="row.rentList">
              <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <el-table-column label="合同状态" prop="status">
                <!-- scope不需要加{},需要结构,为什么row需要结构，是因为row里面有许多内容，每个表格只需要拿其中一个，所以需要结构 -->
                <template v-slot="scope">
                  <el-tag :type="contractType(scope.row.status)">{{ contractTypeName(scope.row.status) }}</el-tag>
                </template>
              </el-table-column>
              <el-table-column label="操作" width="180">
                <template v-slot="scope">
                  <el-button size="mini" type="text" :disabled="!(scope.row.status === 1)">续租</el-button>
                  <el-button size="mini" type="text" :disabled="scope.row.status === 3" @click="outRent(scope.row.id)">退租</el-button>
                  <el-button size="mini" type="text" :disabled="!(scope.row.status === 3)">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <el-table-column type="index" label="序号" width="150" />
        <el-table-column prop="name" label="企业名称" width="280" />
        <el-table-column prop="contact" label="联系人" />
        <el-table-column prop="contactNumber" label="联系电话" />
        <el-table-column label="操作">
          <template v-slot="{row}">
            <el-button size="mini" type="text" style="margin-right: 10px;" @click="addRent(row.id)">添加合同</el-button>
            <el-dialog title="添加合同" :visible="rentDialogVisible" width="580px" @close="closeDialog">
              <!-- 表单区域 -->
              <div class="form-container">
                <el-form ref="addFormRef" :model="rentForm" :rules="rentRules" label-position="top">
                  <el-form-item label="租赁楼宇" prop="buildingId">
                    <el-select v-model="rentForm.buildingId" placeholder="请选择">
                      <el-option
                        v-for="item in buildDataList"
                        :key="item.id"
                        :label="item.name"
                        :value="item.id"
                      />
                    </el-select>
                  </el-form-item>
                  <el-form-item label="租赁起止日期" prop="rentTime">
                    <el-date-picker
                      v-model="rentForm.rentTime"
                      type="daterange"
                      range-separator="至"
                      start-placeholder="开始日期"
                      end-placeholder="结束日期"
                      value-format="yyyy-MM-dd"
                    />
                  </el-form-item>
                  <el-form-item label="租赁合同" prop="contractId">
                    <el-upload
                      action="#"
                      :http-request="uploadHandle"
                      :before-upload="beforeUpload"
                      :file-list="contractList"
                    >
                      <el-button size="small" type="primary" plain>上传合同文件</el-button>
                      <div slot="tip" class="el-upload__tip">支持扩展名：.doc .pdf, 文件大小不超过5M</div>
                    </el-upload>
                  </el-form-item>
                </el-form>
              </div>
              <template #footer>
                <el-button size="mini" @click="closeDialog">取 消</el-button>
                <el-button size="mini" type="primary" @click="getCreateRent">确 定</el-button>
              </template>
            </el-dialog>
            <el-button size="mini" type="text" @click="$router.push(`/exterpriseDetail/${row.id}`)">查看</el-button>
            <el-button size="mini" type="text" @click="editRent(row.id)">编辑</el-button>
            <el-button size="mini" type="text" @click="cancel(row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div type="flex" style="height: 60px;" align="end" justify="end">
      <el-pagination
        :current-page="params.page"
        :page-sizes="[10, 20, 50, 100]"
        :page-size="params.pageSize"
        layout="total, prev, sizes, pager, next, jumper"
        :total="total"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </div>
  </div>
</template>

<script>
import { createRentAPI, delEnterpriseAPI, getEnterPriseApi, getRentBuildListAPI, getRentListAPI, outRentAPI, uploadApi } from '@/api/enterprise'

export default {
  data() {
    return {
      EnterpriseData: [],
      total: null,
      params: {
        page: 1,
        pageSize: 10
      },
      rentDialogVisible: false,
      rentForm: {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: '', // 合同Url
        enterpriseId: null, // 企业名称
        type: 0, // 合同类型
        rentTime: [] // 合同时间
      },
      rentRules: {
        buildingId: [
          { required: true, message: '请选择楼宇', trigger: 'change' }
        ],
        rentTime: [
          { required: true, message: '请选择租赁日期', trigger: 'change' }
        ],
        contractId: [
          { required: true, message: '请上传合同文件' }
        ]
      },
      buildData: {
        page: 1,
        pageSize: 10
      },
      buildDataList: [],
      // 合同的列表文件
      contractList: [],
      // 合同状态的不同类型
      contractType(status) {
        const MAP = {
          0: 'warning',
          1: 'success',
          2: 'info',
          3: 'danger'
        }
        // return 格式化之后的中文显示
        return MAP[status]
      },
      // 合同类型的名称
      contractTypeName(type) {
        const TYPEMAP = {
          0: '待生效',
          1: '生效中',
          2: '已到期',
          3: '已退租'
        }
        return TYPEMAP[type]
      }
    }
  },
  created() {
    this.getEnterPriseList()
  },
  mounted() {
    this.getRentBuildList()
  },
  methods: {
    async getEnterPriseList() {
      const res = await getEnterPriseApi(this.params)
      // 添加一个可以存放合同列表的数组
      this.EnterpriseData = res.data?.rows.map(item => { return { ...item, rentList: [] } }
      )
      this.total = res.data?.total
      console.log(res.data.rows)
    },
    handleSizeChange(newSize) {
      this.params.pageSize = newSize
      this.getEnterPriseList()
    },
    handleCurrentChange(newPage) {
      this.params.page = newPage
      this.getEnterPriseList()
    },
    doSearch() {
      this.params.page = 1
      this.getEnterPriseList()
    },
    editRent(id) {
      this.$router.push({
        path: '/exterpriseAdd',
        query: {
          id
        }
      })
    },
    cancel(id) {
      this.$confirm('是否确认删除当前企业?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        await delEnterpriseAPI(id)
        this.$message.success('删除成功')
        this.getEnterPriseList()
      })
    },
    closeDialog() {
      this.rentDialogVisible = false
      this.$refs.addFormRef.resetFields()
      this.rentForm.contractUrl = ''
      this.rentForm.contractId = ''
      this.contractList = []
    },
    addRent(id) {
      this.rentDialogVisible = true
      this.rentForm.enterpriseId = id
    },
    async getCreateRent() {
      this.$refs.addFormRef.validate()
      const { buildingId, contractUrl, contractId, type, enterpriseId } = this.rentForm
      await createRentAPI({
        buildingId, contractUrl, contractId, type, enterpriseId,
        startTime: this.rentForm.rentTime[0],
        endTime: this.rentForm.rentTime[1]
      })
      this.$message.success('添加合同成功')
      this.getEnterPriseList()
      this.rentDialogVisible = false
      this.$refs.addFormRef.resetFields()
      this.rentForm.contractUrl = ''
      this.rentForm.contractId = ''
      this.contractList = []
    },
    async getRentBuildList() {
      const res = await getRentBuildListAPI(this.buildData)
      // console.log(res.data)
      this.buildDataList = res.data
    },
    // 上传前验证
    beforeUpload(file) {
      const allowImgType = ['application/pdf', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/msword'].includes(file.type)
      const isLt5M = file.size / 1024 / 1024 < 5
      if (!allowImgType) {
        this.$message.error('上传合同文件只能是 .doc, .pdf 格式!')
      }
      if (!isLt5M) {
        this.$message.error('上传合同文件大小不能超过 5MB!')
      }
      return allowImgType && isLt5M
    },
    // 上传文件的方法
    async uploadHandle(event) {
      const file = event.file
      // console.log(file)
      const fd = new FormData()
      fd.append('file', file)
      fd.append('type', 'contract')
      const res = await uploadApi(fd)
      const { id, url } = res.data
      // console.log(res.data)
      this.rentForm.contractId = id
      this.rentForm.contractUrl = url
      this.contractList.push({
        name: file.name,
        url: url
      })
      // 单独校验表单
      this.$refs.addForm.validateField('contractId')
    },
    // 获取已有的合同
    // 只有展开时获取数据并绑定
    // row: 当前展开那行表格的数据对象
    // rows：当前已展开的所有行表格的数据对象的集合
    async expandHandle(row, rows) {
      // 怎么知道拿到了合同数据，即如果在rows中发现row的id,这里的id是点击的企业编号，因为一次性点击一个，所以拿一个id
      const isShowed = rows.find(item => item.id === row.id)
      // 因为展开/关闭都会触发此事件函数，做个判断只有展开时获取数据
      // 只有点击展开按钮才会展开，也同样才会发送请求获取
      if (isShowed) {
        // 获取合同的数据
        const res = await getRentListAPI(row.id)
        res.data.forEach(item => { row.rentList.push(item) })
      } else {
        row.rentList.splice(0)
      }
    },
    async outRent(id) {
      this.$confirm('是否确认删除当前合同?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        await outRentAPI(id)
        this.$message.success('退租成功')
      }).catch(() => {
        this.$message.info('已取消删除')
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.building-container {
  padding-top: 20px;
  padding-left: 20px;
  padding-right: 20px;
}
.department-container {
  padding: 10px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  ;
  padding-bottom: 20px;

  .search-label {
    width: 100px;
    font-size: 16px;
  }

  .search-main {
    width: 200px;
    margin-right: 10px;
  }
}
.create-container{
  margin: 10px 0px;
}
.page-container{
  padding:4px 0px;
  text-align: right;
}
.form-container{
  padding:0px 80px;
}
</style>
